*{
	margin: 0;
	padding: 0;
	position: relative;
	/* background-color: palegoldenrod; */
	
			}
.nav{
	display: flex;
	list-style: none;
	background-color: #223553;
	position: absolute;
	width: 220px;
	height: 780px;
	left: 1300px;
}
li{
	width: 100px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	margin: 0 5px;
	background-color:rebeccapurple;
	font-size: 18px;
	color:#fff;
	border: 1px solid red;
	position: absolute;
}
.first
{
	top: 50px;
}
.second
{
	top: 95px;
}
.page{
	width: 1300px;
	height: 780px;
	border: 1px solid red;
	
}
#page02 .videoBox
{
	width: 50%;
	height: 80%;
	background-color: #0000FF;
	position: absolute;
	left: 25%;
	top: 10%;
}
#page02 h1
{
	position: absolute;
}
#page01
{
	position: relative;
	background-image: url(../img/house.jpg);
}
#page01 .shuju
{
	width: 250px;
	height: 300px;
	position: absolute;
}
#temperature1
{
	/* background-color: #000080; */
	top: 10px;
	left: 5px;
	border: 1px solid black;
}
#humidity1
{
	/* background-color: #0681C6; */
	top: 10px;
	left: 265px;
	border: 1px solid black;
}
#angle1
{
	/* background-color: brown; */
	top: 10px;
	left:525px;
	border: 1px solid black;
}
#subsidence1
{
	/* background-color: green; */
	top: 10px;
	left: 785px;
	border: 1px solid black;
}
#CO2-concen1
{
	/* background-color: greenyellow; */
	top: 10px;
	left: 1045px;
	border: 1px solid black;
}
#wind1
{
	/* background-color: goldenrod; */
	top: 320px;
	left: 5px;
	border: 1px solid black;
}
#light1
{
	/* background-color: yellow; */
	top: 320px;
	left: 265px;
	border: 1px solid black;
}
#beep1
{
	/* background-color: #0070C0; */
	top: 320px;
	left: 525px;
	border: 1px solid black;
}
#spray1
{
	/* background-color: red; */
	top: 320px;
	left: 785px;
	border: 1px solid black;
}
 input
{
	background-color: transparent;

	border: none;
	width: 240px;
	height:40px ;
	margin: 5px 5px 5px 5px;
	text-align: center;
	position: absolute;
	bottom: 0px;
	left: 0px;
	line-height:40px;
	font-size:30px;
	font-weight: bold;
	/* user-select:none;  */
	color:white;
}		
/*  */
.kaiguan
{
	width: 200px;
	height:40px ;
	margin-left:40px ;
	line-height:40px;
}
p{
	position: absolute;
}
.koff{
	width: 30px;
	height: 30px;
	left: 75px;
}
button
{
	width: 200px;
	height: 200px;
	top: 320px;
	left: 1045px;
}